Metamorphic Or Sedimentary Depending On Local Grade

Yellow Jade (Nephrite or Quartzite)

Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2) or Jade-colored Quartzite (SiO2)

Nuummite

Orthoamphibole (mixture of Anthophyllite and Gedrite)

Iron Ore / Ironstone Concretion

Mixture of iron oxide/hydroxide minerals, likely some combination of Hematite (Fe2O3), Goethite (α-FeOOH), and Limonite (a general term for hydrated iron oxides of variable composition) or potentially Bauxite (a mixture of aluminum hydroxides, often with iron oxides, (Al(OH)3) and FeO(OH)). The visual characteristics strongly suggest iron-rich material.

Gold Ore (in Quartz/Sulfide matrix)

Native Gold (Au) in Quartz (SiO2) and Pyrite (FeS2)

Diamond (Princess Cut Faceted Gemstone)

Native Carbon (C)

Slate

Foliated Metamorphic Rock (primarily composed of quartz, illite, and chlorite)

Greenstone

Chlorite schist / Meta-basalt

Diamond

Carbon (C), specifically in an isometric crystal system.

Plagioclase Feldspar

Plagioclase Feldspar Series (NaAlSi3O8 - CaAl2Si2O8)

Sodalite

Sodalite (Na4Al3Si3O12Cl)

Anthracite Coal

Anthracite (Carbon-rich metamorphic coal)

Quartzite

Quartzite (primarily SiO2)

Banded Chert / Banded Jasper (likely a variety of Chert/Chalcedony)

Chert (microcrystalline quartz)

Pink Quartzite

Quartzite (SiO2)

Sandstone

Sandstone (clastic sedimentary rock)

Schist (with Iron Oxide)

Mica Schist

Greenschist (Greenstone)

Greenschist (Metamorphic rock containing chlorite, actinolite, and epidote)

Nuummite

Nuummite (Orthoamphibole rock composed of Anthophyllite and Gedrite, (Mg,Fe)7Si8O22(OH)2)

Emerald

Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities

Slate

Slate (Regional metamorphic rock composed primarily of quartz, illite, and chlorite)

Mica Schist

Schist (primarily Muscovite and Biotite mica)

Greenstone (Metabaltic/Greenschist)

Chlorite schist / Meta-basalt

Ambergris

Ambra grisea

Dendritic Agate (Tumbled)

Silicon Dioxide (SiO2) with inclusions

Diamond

Native Carbon (C)

Rhodonite

Manganese Silicate (Mn,Fe,Mg,Ca)SiO3

Rough Emerald/Green Beryl

Beryl (Be3Al2(SiO3)6) with trace amounts of Chromium or Vanadium

Epidosite (Epidote-rich rock)

Epidotalite (primarily Ca2(Al2Fe3+)(SiO4)(Si2O7)O(OH))

Quartzite (Iron-stained)

Quartzite (primarily SiO2)

Quartz (Clear Quartz/Rock Crystal)

Silicon Dioxide (SiO2)

Schist (specifically Mica Schist)

Mica Schist

Milky Quartz

Silicon Dioxide (SiO2)

Slate

Slate (foliated metamorphic rock rich in quartz, sericite, and chlorite)

Greenstone

Greenschist (commonly containing Chlorite, Actinolite, and Epidote)

Greenschist

Greenschist (Chlorite Schist)

Slate

Foliated Metamorphic Rock (primarily composed of quartz, illite, chlorite, and micas)

Mica Schist

Mica Schist (Complex Silicate Rock)

Greenschist (Chlorite Schist)

Greenschist (containing chlorite, actinolite, and epidote)

Sandstone or Siltstone

Arenite (if sandstone)

Schist (Biotite/Mica Schist)

Medium-grade regional metamorphic rock (rich in Phyllosilicates)

Labradorite (Carved)

(Ca, Na)(Al, Si)4O8

Quartz on Greenstone

Silicon Dioxide (SiO2) on Altered Igneous Geologic Unit